Duct joint



FIG. 1 is a top perspective view of a duct joint showing our new design;

FIG. 2 is a bottom perspective view thereof;

FIG. 3 is a front elevational view thereof, a rear elevational view thereof being a mirror image;

FIG. 4 is a right side elevational view thereof, a left side elevational view thereof being a mirror image;

FIG. 5 is a top plan view thereof;

FIG. 6 is a bottom plan view thereof; and,

FIG. 7 is a cross sectional view thereof, taken along a line 7–7 of FIG. 5. 

The ornamental design for a duct joint, as shown and described. 